PHTHALIC ANHYDRIDE
|
Form | Solid |
Colour | White |
Odour | Characteristic |
Odor Threshold | Not Applicable |
pH | 2 at 6 g/l 20 °C |
Melting Point | 131 °C (decomposition) |
Boiling Point | 285°C |
Flash Point | 152 °C Method: DIN 51758 |
Evaporation Rate | Not Applicable |
Flammability (solid, gas) | No Data Available |
Lower Explosion limits | 1.7 %(V) |
Upper explosion limit | 10.5 %(V) |
Vapour pressure | < 0.01 hPa at 20 °C |
Vapour Density | 6.6 |
Specific Gravity | 1.527 g/cm³ at 20 °C |
Partition coefficient | n-octanol/water log Pow: 2.07 (25 °C) (calculated) |
Solubility | Soluble in water 6 g/l at 20 °C |
Ignition temperature | 580 °C Method: DIN 51794 |
Viscosity, dynamic | No information available |
Phthalic anhydride is a white crystalline solid that is the commercial form of phthalic acid. Phthalic anhydride is an important compound derived from the oxidation reaction of naphthalene. On the basis of application areas, the market of phthalic anhydride can be broadly segmented into plasticizers, unsaturated polyester resins, alkyd resins, and others. Plasticizer is the main phthalic anhydride application and serves an array of industries due to its various properties and performance advantages.
Empirical Formula ..............C8H4O3
Physical Molecular Weight .148.11
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